#post-content blockquote {
    color: #4a4a4a!important;
    padding: unset!important;
    border-left: unset!important;
    background-color: rgba(66, 185, 131, .1)!important;
    padding: 13px 15px!important;
    border-left: 5px solid #099e43!important;
}

#post-content blockquote.content-copyright {
    background-color: rgba(255, 255, 255, 0)!important;
    background: rgb(255 255 255 / .3)!important
}